Maliks Muwatta Book 15, Hadith Number 50.
Section : Forbidding Prayer After Subh and After Asr.
Yahya related to me from Malik from Ibn Shihab from as-Sa’ib ibn Yazid that he saw Umar ibn al-Khattab beating al-Munkadir for praying after asr.
Yahya related to me from Malik from Ibn Shihab from as-Sa’ib ibn Yazid that he saw Umar ibn al-Khattab beating al-Munkadir for praying after asr.